Radial growth of grand fir and douglas-fir 10 years after defoliation by the douglas-fir tussock moth in the Blue Mountains outbreak
By: Boyd E. Wickman.
Contributors: Pacific Northwest Research Station (Portland, Or.)
Series: Research paper PNW -- 367.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Experiment Station
Published: 1986
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 11
Subjects: Defoliation; Douglas fir -- Diseases and pests -- Oregon; Douglas fir -- Diseases and pests -- Washington (State); Douglas-fir tussock moth; Abies grandis
Notes: Cover title.

Distributed to depository libraries in microfiche.

"August 1986."

Includes bibliographical references (p. 10-11).